/*
 * Copyright:  2018 smarabbit studio.
 *
 *  Licensed under the Confluent Community License; you may not use this file
 *  except in compliance with the License.  You may obtain a copy of the License at
 *
 *  http://www.confluent.io/confluent-community-license
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations under the License.
 *
 *  @作   者： 黄开晖 (117227773@qq.com)
 *  @日   期:  2020年9月16日
 */
package com.massyframework.beanskin.web;

import java.util.Objects;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

import com.massyframework.beanskin.assembly.Assembly;

/**
 * {@link ModularHttpServletRequest}, 封装{@link HttpServletRequest},<br>
 * 通过提供{@link #getModularServletContext()}增加返回模块化Servlet上下文的能力。
 */
public class ModularHttpServletRequest extends HttpServletRequestWrapper {

	private final ModularServletContext servletContext;
	
	/**
     * 构造方法
     * @param request
     */
    public ModularHttpServletRequest(HttpServletRequest request, ModularServletContext servletContext) {
        super(request);
        this.servletContext =
                Objects.requireNonNull(servletContext, "\"servletContext\" cannot be null.");
        request.setAttribute(Assembly.class.getName(), servletContext.getAssociatedModule());
    }

    /* (non-Javadoc)
     * @see javax.servlet.ServletRequestWrapper#getServletContext()
     */
    @Override
    public ServletContext getServletContext() {
        return this.servletContext;
    }

    /**
     * 模块化的Servlet上下文
     * @return {@link ModularServletContext}
     */
    public ModularServletContext getModularServletContext(){
        return this.servletContext;
    }
}
